president obama and senator wicker. he could face a maximum of 15 years in prison and $500,000 fine as well. federal officials say more tests are needed. >>> still ahead we have new video of the west, texas, explosion. we'll get an update on the continues search for any survivors. >> and be sure to like the "newsnation" on facebook. ♪ [ acoustic guitar: upbeat ] [ dog ] we found it together. on a walk, walk, walk. love to walk. yeah, we found that wonderful thing. and you smiled. and threw it. and i decided i would never, ever leave it anywhere. because that wonderful, bouncy, roll-around thing... had made you play. and that... had made you smile. [ announcer ] beneful. play. it's good for you. >>> of course you can join the "newsnation" on twitter. our twitter page is @"newsnation." >>> the final update on west, texas, the site of the deadly fertilizer plant explosion. we just received new video of the explosion caught on tape. many stopped to record the inferno moments before the blast itself and joining me by phone